XL FEDNA SYMPOSIUM
November 4th and 5th, 2026.
Auditorium Fundación Pablo VI.
Calle Juan XXIII, 3
Ciudad Universitaria, Madrid
Wednesday, November 4th
08:00 h Registration and documentation.
Session 1: Chairwoman Ana Isabel García Ruíz (Trouw Nutrition, Spain)
08:25 h Update on the avian influenza situation in Spain and worldwide. Measures for effective control. Roser Dolz (MSD Animal Health, Spain)
IMPACT OF FEEDING PROGRAMS ON PRODUCTIVE PERFORMANCE IN POULTRY: A REGIONAL COMPARATIVE ANALYSIS AND THE REASONS FOR THE OBSERVED VARIABILITY
A- Laying hens
9:00 h European Union 27: Juan Valle (Lohmann Breeders, Germany)
9:40 h Latin América: Martín Audiffred Pinedo (ADM, Mexico)
10:20 h Round table
10:30 h Coffee break
Session 2. Chairman: Emilio Borja (Grupo AN, Spain)
B- Broilers
11:15 h European Union 27: Diego García Valencia (Cargill, Spain)
11.55 h America: Wilmer Pacheco (Auburn University, USA)
12:30 h China: Nicole Ying Zhou (Wuhan Sunhy Biology, China)
13:10 h Spain: Gerardo Santomá (FEDNA, Spain)
13.45 h Round table
14:00 h Cocktail lunch
15:30 h XXXV FEDNA AWARD for young researchers. Presentation of selected studies. Chairwoman: Mª Ángeles Latorre (Universidad de Zaragoza, España)
Session 3. Chairman: Pedro Medel (Innovabiotics S.L., Spain)
Adjustment of calcium and phosphorus levels in the presence of phytases
16:25 h Calcium and Phosphorus requirements of pigs. Hans Stein (Illinois University, USA)
17:05 h Importance of solubility and particle size in poultry. Roselina Angel (Maryland University, USA)
17:45 h Round table
18:00 h 10th Edition Nutrient Requirements of Poultry. From NRC (1994) to NASEM (2026) and beyond. Gonzalo González Mateos (Universidad Politécnica de Madrid, Spain)
18:45 h Adjourn
Thursday, November 5th
Session 5. Chairman: Javier Piquer (Ministry of Agriculture, Fisheries and Food, Spain)
09:00 h Update on the African swine fever situation in Spain and worldwide. Measures for effective control. José Manuel Sánchez Vizcaíno (Universidad Complutense de Madrid, Spain)
09:45 h Coffe break
Session 6. Chairman: David Solá (Universidad Autónoma de Barcelona, España)
IMPACT OF FEEDING PROGRAMS ON PRODUCTIVE PERFORMANCE IN SWINE: A REGIONAL COMPARATIVE ANALYSIS AND THE REASONS FOR THE OBSERVED VARIABILITY
A- Sow feeding and its impact on long-term productive performance
10:35 h. USA: Weasley Orlando (PIC North America, USA)
11:15 h. European Union-27: Francesc Molist (Schothorst Feed Research, Netherlands)
11:55 h. Round table
Session 7. Chairman: Jaume Coma (Vall Companys, Spain)
B- Feeding pigs from weaning to slaughter and its impact on productive performance
12:10 h. Piglets: USA. David Rosero (Iowa University, USA)
12.50 h. Piglets: European Union-27 and Brazil. Aitor Balfagón (Cargill, Spain)
13:30 h. Fattening pigs: European Union-27. Chris Opschoor (Topigs Norsvin, Netherlands)
14:10 h. Round table.
14:30 h Coctail lunch
Session 8. Chairman: Alex Bach (Universidad de Lleida, Spain)
EARLY-LIFE MANAGEMENT FEEDING PROGRAMS FOR DAIRY- AND BEEF-TYPE CALVES (HEIFERS AND BULLS) AND THEIR IMPACT ON FUTURE PERFORMANCE
16.00 h Dairy: Javier Martín Tereso (Trouw Nutrition R&D, Netherlands)
16.40 h Beef: Isaac Salfer (Minnesota University, USA)
17.20 h Round table
17:30 h FEDNA award ceremony, final remarks and course closing.
17:40 h Adjourn